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FR3124181B1 - Process for manufacturing a sintered ceramic foam - Google Patents

Process for manufacturing a sintered ceramic foam Download PDF

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Publication number
FR3124181B1
FR3124181B1 FR2106428A FR2106428A FR3124181B1 FR 3124181 B1 FR3124181 B1 FR 3124181B1 FR 2106428 A FR2106428 A FR 2106428A FR 2106428 A FR2106428 A FR 2106428A FR 3124181 B1 FR3124181 B1 FR 3124181B1
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Prior art keywords
gelling
temperature
foam
manufacturing
agent
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Active
Application number
FR2106428A
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French (fr)
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FR3124181A1 (en
Inventor
Laurent Pierrot
Laurie San-Miguel
Yannick Millot
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Saint Gobain Centre de Recherche et dEtudes Europeen SAS
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Saint Gobain Centre de Recherche et dEtudes Europeen SAS
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Priority to FR2106428A priority Critical patent/FR3124181B1/en
Priority to EP22734298.7A priority patent/EP4355710A1/en
Priority to PCT/EP2022/066546 priority patent/WO2022263623A1/en
Publication of FR3124181A1 publication Critical patent/FR3124181A1/en
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Publication of FR3124181B1 publication Critical patent/FR3124181B1/en
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
    • C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
    • C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
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    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
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    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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    • C04B2235/606—Drying
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    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62625—Wet mixtures
    • C04B35/6263—Wet mixtures characterised by their solids loadings, i.e. the percentage of solids

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)

Abstract

Procédé de fabrication d’une mousse céramique frittée Procédé de fabrication d’une mousse céramique frittée suivant les étapes successives suivantes : a) préparation d'un mélange M contenant au moins une poudre céramique en suspension dans de l’eau, au moins un agent gélifiant et au moins un agent moussant, à une température de mélange supérieure à la température de gélification dudit agent gélifiant, b) cisaillement dudit mélange M à une température de moussage supérieure à ladite température de gélification, jusqu'à obtention d'une mousse intermédiaire, c) gélification de ladite mousse intermédiaire par refroidissement de ladite mousse intermédiaire à une température au moins deux fois plus faible que la température de gélification de l’agent gélifiant, en °C, d) séchage de ladite mousse gélifiée de manière à obtenir une préforme dont l’humidité après séchage est inférieure à 1%, e) cuisson de ladite préforme à une température supérieure à 1300°C et inférieure à 2300°C. Pas de figure d’abrégéProcess for manufacturing a sintered ceramic foam Process for manufacturing a sintered ceramic foam following the following successive steps: a) preparation of a mixture M containing at least one ceramic powder suspended in water, at least one agent gelling agent and at least one foaming agent, at a mixing temperature higher than the gelling temperature of said gelling agent, b) shearing said mixture M at a foaming temperature higher than said gelling temperature, until an intermediate foam is obtained , c) gelling said intermediate foam by cooling said intermediate foam to a temperature at least twice lower than the gelling temperature of the gelling agent, in °C, d) drying said gelled foam so as to obtain a preform whose humidity after drying is less than 1%, e) cooking said preform at a temperature greater than 1300°C and less than 2300°C. No abstract figure

FR2106428A 2021-06-17 2021-06-17 Process for manufacturing a sintered ceramic foam Active FR3124181B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR2106428A FR3124181B1 (en) 2021-06-17 2021-06-17 Process for manufacturing a sintered ceramic foam
EP22734298.7A EP4355710A1 (en) 2021-06-17 2022-06-17 Method for producing a sintered ceramic foam
PCT/EP2022/066546 WO2022263623A1 (en) 2021-06-17 2022-06-17 Method for producing a sintered ceramic foam

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2106428 2021-06-17
FR2106428A FR3124181B1 (en) 2021-06-17 2021-06-17 Process for manufacturing a sintered ceramic foam

Publications (2)

Publication Number Publication Date
FR3124181A1 FR3124181A1 (en) 2022-12-23
FR3124181B1 true FR3124181B1 (en) 2024-03-29

Family

ID=78332831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2106428A Active FR3124181B1 (en) 2021-06-17 2021-06-17 Process for manufacturing a sintered ceramic foam

Country Status (3)

Country Link
EP (1) EP4355710A1 (en)
FR (1) FR3124181B1 (en)
WO (1) WO2022263623A1 (en)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR408330A (en)
US2964823A (en) 1954-04-20 1960-12-20 Norton Co Process of making recrystallized silicon carbide articles
US4024212A (en) 1975-03-28 1977-05-17 Swiss Aluminium Ltd. Ceramic foam and method of preparation
US4312954A (en) 1975-06-05 1982-01-26 Kennecott Corporation Sintered silicon carbide ceramic body
US4889670A (en) 1988-03-01 1989-12-26 Basf Aktiengesellschaft Process for manufacturing green and ceramic foam
GB2289466B (en) 1994-05-10 1997-10-22 Dytech Corp Ltd Production of porous refractory articles
US5643512A (en) 1995-08-16 1997-07-01 Northrop Grumman Corporation Methods for producing ceramic foams using pre-ceramic resins combined with liquid phenolic resin
GB9825109D0 (en) 1998-11-16 1999-01-13 Dytech Corp Ltd Porous ceramic matrices
DK1329438T3 (en) 2002-01-14 2009-07-27 Vito Process for manufacturing metallic and ceramic products
FR2873685B1 (en) 2004-07-28 2007-06-22 Saint Gobain Ct Recherches PROCESS FOR OBTAINING POROUS CERAMICS
FR2896797B1 (en) * 2006-02-01 2008-08-08 Saint Gobain Ct Recherches CERAMIC FOAM IN RECRYSTALLIZED SILICON CARBIDE IMPREGNATED.
DE102015202277B3 (en) * 2015-02-09 2016-04-28 Morgan Advanced Materials Haldenwanger GmbH Process for the preparation of foamed ceramic materials and ceramic foam which can be produced thereby
FR3071248B1 (en) * 2017-09-19 2020-09-25 Saint Gobain Ct Recherches CERAMIC FOAM
CN110282958B (en) * 2019-07-12 2022-02-01 航天特种材料及工艺技术研究所 High-temperature-resistant special-shaped nanocrystalline aerogel material and preparation method thereof

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Publication number Publication date
WO2022263623A1 (en) 2022-12-22
FR3124181A1 (en) 2022-12-23
EP4355710A1 (en) 2024-04-24

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